Diversity and species composition of arbuscular mycorrhizal fungi in Citrus species

Main Article Content

Songachan, L. S.
Kayang, H.
Iodalanabiang, T.

Abstract

Two Citrus species viz., Citrus sinensis and Citrus limon were studied for its associated arbuscular mycorrhizal fungi (AMF). A rhizosphere soil was found to be acidic and soil phosphorus was low for both the plant species. AMF colonization in the form of arbuscules, vesicles and hyphae were observed. The percent of AMF colonization in C. sinensis was 39.11%, whereas in C. limon it was 48.12%. However, AMF colonization in trap culture from C. sinensis was found to be higher (17.97%) as compared to C. limon (13.64%). A total of 19 AMF species belonging to two genera viz., Acaulospora and Glomus (14 AMF species from C. sinensis rhizosphere soil and 15 AMF species from C. limon rhizosphere soil) were isolated and identified on the basis of their morphological characteristics. From trap culture, 11 AMF species were isolated; 6 species from C. sinensis derived inoculum and 8 from C. limon derived inoculum. Two additional AMF species i.e., G. mosseae and G. manihotis were recovered from C. limon derived inoculum, and another two species i.e., A. mellea and A. dilatata were recovered from C. limon derived inoculum which otherwise were not recovered in the original field soils. This study gives the gist of AMF status of two Citrus species and it revealed that the AMF composition and diversity varies in the two Citrus species.

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How to Cite
Songachan, L. S., Kayang, H., & Iodalanabiang, T. (2015). Diversity and species composition of arbuscular mycorrhizal fungi in Citrus species. International Journal of Agricultural Technology, 11(4), 863–873. retrieved from https://li04.tci-thaijo.org/index.php/IJAT/article/view/6369
Section
Original Study

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